<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
</head>
<body>
    
    <style>
        #select{
            background-color: cornflowerblue;
            height: 100px;
        }
    </style>

    <main id="select">

    </main>
</body>
</html>